Area codes in Pasco, Washington

Pasco, Washington uses area code 509. The main Pasco area code is 509.

Area codes serving Pasco

Phone numbers in Pasco are written as ten digits — for example (509) 555-0190 — and fall in the Pacific Time zone.

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Nearby cities

More cities in Washington

Frequently asked questions

What is the area code for Pasco?

The main area code for Pasco, Washington is 509.

How many area codes does Pasco have?

Pasco has 1 area code: 509.

How do you dial a Pasco number?

Dial all 10 digits — the area code (509) followed by the 7-digit local number. From abroad, dial +1, then the area code and number.

Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of August 2, 2026. Refreshed monthly.